I would really try cleaning the throttle body first before changing sensors. It probably needs it anyways. My car has almost 70000 miles on it now and I know that The throttle body needed to be cleaned around 30000 miles because the throttle was sticking.
Green 2000 SVT #1166
mods-K&N open air filter & Custom heat shield, Custom y pipe and 30 in resonator,DMD, arm rest heightened
http://www.geocities.com/savinoss/Cars.html other cars-89 sable 197000 miles and still going-Wifes car 99 Mystique V6 5 spd
